Charging pile cable

Abstract

The utility model discloses a charging pile cable, relates to the technical field of charging pile cables, and solves the problems that in the prior art, due to long-time use of the cable, heat dissipation of the cable is slow, fire disasters are easily caused, and when the cable is used for charging, external electromagnetic interference also leads to charging stability. Two direct-current power lines are symmetrically arranged on the inner ring of the insulating layer, a protective grounding wire is arranged in the insulating layer and located below the two direct-current power lines, and low-voltage auxiliary power lines are arranged in the inner ring of the insulating layer and located on the two sides of the protective grounding wire. Two charging communication lines are symmetrically arranged in the insulating layer and above the two low-voltage auxiliary power lines, and a first charging connection confirmation line is arranged below the two charging communication lines. According to the utility model, external electromagnetic interference can be effectively resisted, the stability and reliability of the charging process are ensured, internal components can be protected and prevented from being damaged when a fire disaster occurs outside, and the loss is reduced.

Description

Technical Field

[0001] The utility model relates to the field of charging pile cables, in particular to a charging pile cable. Background Art

[0002] In order to meet the charging demand for electric vehicles, in recent years, the infrastructure construction of electric vehicle charging network facilities such as charging stations and charging piles has made great progress. Charging piles charge electric vehicles through charging pile cables, but charging pile cables are usually laid out in an exposed and non-concealed manner.

[0003] In the prior art, due to the long-term use of the cable, the heat dissipation of the cable is slow, which can easily lead to fire. In addition, when charging with it, external electromagnetic interference will also affect the charging stability. Utility Model Content

[0004] In order to improve the existing technology, due to the long-term use of the cable, the heat dissipation of the cable is slow, which may easily lead to fire, and when charging with it, the external electromagnetic interference may also cause the problem of charging stability, the utility model provides a charging pile cable.

[0005] The utility model provides a charging pile cable, which adopts the following technical solution:

[0006] A charging pile cable comprises an insulating layer, wherein two DC power lines are symmetrically arranged in the inner circle of the insulating layer, a protective grounding line is arranged in the insulating layer and below the two DC power lines, low-voltage auxiliary power lines are arranged in the inner circle of the insulating layer and on both sides of the protective grounding lines, two charging communication lines are symmetrically arranged in the insulating layer and above the two low-voltage auxiliary power lines, a first charging connection confirmation line is arranged below the two charging communication lines, a second charging connection confirmation line is arranged above the first charging connection confirmation line and between the two charging communication lines, a fire prevention mechanism and an anti-interference mechanism are arranged on the outside of the insulating layer, and the outer circle of the insulating layer is wrapped with an inner flame retardant layer.

[0007] By adopting the above technical solution, the internal flame retardant layer can protect the various wire cores inside.

[0008] Optionally, the anti-interference mechanism includes an anti-interference layer, the anti-interference layer is wrapped around the outer ring of the inner flame-retardant layer, and the outer ring of the anti-interference layer is wrapped with a steel wire structural layer.

[0009] By adopting the above technical solution, the anti-interference layer can effectively resist external electromagnetic interference and ensure that the charging process is stable and reliable.

[0010] Optionally, the fire protection mechanism includes a plurality of frames, which are sequentially arranged on the outer circle of the steel wire structural layer, and one end of the plurality of frames is connected to a waterproof layer.

[0011] By adopting the above technical solution, multiple skeletons play a supporting role, avoiding strength compression and causing deformation of the wire core.

[0012] Optionally, a lime layer is provided between the waterproof layer and the steel wire structural layer, and the lime layer is tightly fitted to the waterproof layer and the steel wire structural layer.

[0013] By adopting the above technical solution, the lime layer can prevent fire from happening outside and protect the inside.

[0014] Optionally, one end of the waterproof layer is arranged on a dense rubber strip, and an inorganic coating is coated on the outside of the waterproof layer.

[0015] By adopting the above technical solution, the rubber strip has an anti-slip effect.

[0016] Optionally, the waterproof layer is coated with an inorganic coating on the outside.

[0017] By adopting the above technical solution, the inorganic coating can withstand a temperature range of -80-1800°C, and the thermal conductivity is 0.03W / mK.

[0018] In summary, the utility model has the following beneficial effects:

[0019] 1. When a fire occurs outside, the lime layer of the utility model can protect the internal components, and multiple frames are made of rubber material. When the external part is squeezed by strength, the internal components are protected and have the function of resetting, thus avoiding damage and reducing losses;

[0020] 2. The utility model applies inorganic coating to the waterproof layer so that it will not be damaged when exposed to sunlight. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the charging pile cable structure of the utility model.

[0022] Figure 2 It is a schematic diagram of the charging pile cable structure of the utility model.

[0023] Description of reference numerals:

[0024] 1. Insulation layer; 2. DC power line; 3. Protective grounding line; 4. Low-voltage auxiliary power line; 5. Charging communication line; 6. First charging connection confirmation line; 7. Second charging connection confirmation line; 8. Inner flame retardant layer; 9. Anti-interference layer; 10. Steel wire structure layer; 11. Skeleton; 12. Lime layer; 13. Waterproof layer; 14. Dense rubber strips. DETAILED DESCRIPTION

[0025] The following is combined with Figure 1-2 This application is described in further detail.

[0026] Please refer to Figure 1-2 A charging pile cable comprises an insulating layer 1, wherein two DC power lines 2 are symmetrically arranged in the inner circle of the insulating layer 1, a protective grounding line 3 is arranged in the insulating layer 1 and below the two DC power lines 2, a low-voltage auxiliary power line 4 is arranged in the inner circle of the insulating layer 1 and on both sides of the protective grounding line 3, two charging communication lines 5 are symmetrically arranged in the insulating layer 1 and above the two low-voltage auxiliary power lines 4, a first charging connection confirmation line 6 is arranged below the two charging communication lines 5, a second charging connection confirmation line 7 is arranged above the first charging connection confirmation line 6 and between the two charging communication lines 5, a fire prevention mechanism and an anti-interference mechanism are arranged on the outside of the insulating layer 1, and an inner flame retardant layer 8 is wrapped around the outer circle of the insulating layer 1.

[0027] Reference Figure 1 and Figure 2 The anti-interference mechanism includes an anti-interference layer 9, which is made of aluminum foil. The anti-interference layer 9 is wrapped around the outer circle of the inner flame-retardant layer 8, and the outer circle of the anti-interference layer 9 is wrapped with a steel wire structural layer 10.

[0028] Reference Figure 1 and Figure 2 The fire prevention mechanism includes a plurality of skeletons 11, and the plurality of skeletons 11 are sequentially arranged on the outer circle of the steel wire structural layer 10. One end of the plurality of skeletons 11 is connected with a waterproof layer 13. A lime layer 12 is arranged between the waterproof layer 13 and the steel wire structural layer 10. The lime layer 12 can prevent the external fire from damaging the internal components, and the lime layer 12 is tightly fitted with the waterproof layer 13 and the steel wire structural layer 10. One end of the waterproof layer 13 is arranged on a dense rubber strip 14. When the user holds the cable, the sealing rubber strip 14 has an anti-slip effect. The outside of the waterproof layer 13 is coated with an inorganic coating. The inorganic coating is an inorganic polymer coating composed of an inorganic polymer and dispersed and activated metals, metal oxide nanomaterials and rare earth ultrafine powders. It can react quickly with the iron atoms on the surface of the steel structure to generate an inorganic polymer anti-corrosion coating with both physical and chemical protection effects and firmly bonded to the substrate through chemical bonds.

[0029] The implementation principle of the utility model is: when a fire occurs outside, the lime layer 12 can protect the internal components to avoid damage and reduce losses. When the outside is strongly squeezed, the multiple skeletons 11 can provide support to avoid damage to the internal components. When the user shakes the cable, the sealing rubber strip 14 prevents it from slipping out of the hand.

[0030] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. Charging pile cable, characterized by: The invention comprises an insulating layer (1), wherein two DC power lines (2) are symmetrically arranged in the inner circle of the insulating layer (1), a protective grounding line (3) is arranged in the insulating layer (1) and below the two DC power lines (2), a low-voltage auxiliary power line (4) is arranged in the inner circle of the insulating layer (1) and on both sides of the protective grounding line (3), two charging communication lines (5) are symmetrically arranged in the insulating layer (1) and above the two low-voltage auxiliary power lines (4), a first charging connection confirmation line (6) is arranged below the two charging communication lines (5), and a second charging connection confirmation line (7) is arranged above the first charging connection confirmation line (6) and between the two charging communication lines (5), a fire prevention mechanism and an anti-interference mechanism are arranged on the outside of the insulating layer (1), and the outer circle of the insulating layer (1) is wrapped with an inner flame retardant layer (8).

2. The charging pile cable according to claim 1, characterized in that: The anti-interference mechanism comprises an anti-interference layer (9), the anti-interference layer (9) is wrapped around the outer ring of the inner flame retardant layer (8), and the outer ring of the anti-interference layer (9) is wrapped with a steel wire structural layer (10).

3. The charging pile cable according to claim 2, characterized in that: The fire protection mechanism comprises a plurality of frames (11), the plurality of frames (11) being arranged in sequence on the outer ring of the steel wire structural layer (10), and one end of the plurality of frames (11) being connected to a waterproof layer (13).

4. The charging pile cable according to claim 3, characterized in that: A lime layer (12) is provided between the waterproof layer (13) and the steel wire structural layer (10), and the lime layer (12) is tightly attached to the waterproof layer (13) and the steel wire structural layer (10).

5. The charging pile cable according to claim 3, characterized in that: One end of the waterproof layer (13) is arranged on the dense rubber strip (14).

6. The charging pile cable according to claim 3, characterized in that: The waterproof layer (13) is coated with an inorganic coating on the outside.

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